Huawei: Alarm BBU Board Maintenance Link Failure BBU CPRI Interface Error BBU CPRI Optical Module or Electrical Port Not Ready BBU Optical Module Transmit/Receive Fault Local Cell Capability Decline RF Unit Clock Problem RF Unit CPRI Interface Error RF Unit Maintenance Link Failure RF Unit Optical Module Fault RF Unit TX Channel Gain Out of Range Local Cell Unusable RF Unit RX Channel RTWP/RSSI Unbalanced RF Unit VSWR Threshold Crossed Optic Power Abnormal Optical Module Fault Board Type and Configuration Mismatch Inter-System Cabinet Configuration Conflict RET Antenna Running Data and Configuration Mismatch RF Unit ALD Switch Configuration Mismatch Board Software Synchronization Failure Board Not In Position Board Unavailable RET Antenna Data Loss RET Antenna Motor Fault RET Antenna Not Calibrated RF Unit ALD Current Out of Range